{"type":"firestarter.listing","listing":{"id":"lst_FGrgkhAA","product_name":"APR Strut Tower Brace (B9)","category":"Suspension & Chassis","description":"Introducing the APR Strut Tower Brace (B9 Chassis - A4/5, S4/5, &amp; RS4/5) The APR Strut Tower Brace for the B9 Chassis A4/5, S4/5, RS4/5, is engineered to enhance chassis rigidity, reduce flex, and improve handling for a more connected driving experience. While many systems prioritize the visual aesthetics of the engine bay, ours is a true performance upgrade designed for real-world handling improvements. By replacing the factory-stamped aluminum brace with a high-strength tubular chromium-molybdenum alloy steel system, we significantly increase structural support while maintaining ride comfort. Additionally, our cross-brace design links both strut towers, and an integrated turnbuckle allows for precise preload adjustments, further reinforcing the chassis under heavy cornering and acceleration. True to our motto of Performance Without Compromise, this system provides a stiffer front end without introducing unwanted noise, vibration, or harshness (NVH). The APR B9 Strut Tower Brace is the ultimate solution for drivers seeking sharper handling, reduced chassis flex, and a more responsive driving experience—all without sacrificing daily drivability!\n\n\nFeatures:\n\nIncreased Chassis Rigidity – Reduces flex under load for improved suspension performance and handling stability.\nHigh-Strength Tubular Cr-Mo Alloy Steel Construction –  Stronger than the factory-stamped aluminum brace for maximum strength and durability, featuring a black powder-coated finish for superior corrosion resistance and lasting performance.\nFull Strut Tower Integration – Connects both towers and the firewall for superior structural reinforcement.\nAdjustable Preload with Turnbuckle – Fine-tune chassis stiffness to optimize handling for different driving conditions.\nImproved Steering Feel – Enhances driver feedback and consistency during aggressive driving.\nNo Compromise on Comfort – Engineered to prevent additional NVH, maintaining a smooth and refined ride.\nDirect Bolt-On Installation – No cutting ","images":["https://cdn.shopify.com/s/files/1/0024/4898/2060/files/48f51fbc83683ca4dfa4a0ba1a381a99b7ab6a1e.jpg?v=1744820594","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/ea59cd4e465d48fc24d69e260733c7243ea8755b.jpg?v=1744820594","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/758899bc9007c688a3cf789b0769a147612d726b.jpg?v=1744820594","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/3208be1197666763c543e573de652432d1b364a0.jpg?v=1744820594","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/7b984cf2c58bfe41cde5f4834bb327eac520b6fc.jpg?v=1744820594","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/24c8479651600c6ef22bff89af21eb2c14ede69c.jpg?v=1744820594"],"price":324.95,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:22.023Z"},"share_url":"https://firestarter.network/l/lst_FGrgkhAA","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer <your Firestarter API key>","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_FGrgkhAA' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy APR Strut Tower Brace (B9)' and a budget_max comfortably above $324.95 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}